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Commit bd5fe738 authored by Dan Carpenter's avatar Dan Carpenter Committed by Takashi Iwai
Browse files

ALSA: ak4xx-adda: info leak in ak4xxx_capture_source_info() 



"idx" is controled by the user and can be a negative offset into the
input_names[] array.

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f02fe861

sound/i2c/other/ak4xxx-adda.c

+1 −1
Original line number Diff line number Diff line
@@ -571,7 +571,7 @@ static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol, 
	struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);

	int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);

	const char **input_names;

	int  num_names, idx;

	unsigned int num_names, idx;



	num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);

	if (!num_names)